APEX PWR  |  Rehab + Supplement Spotlight

Nutrition for Injury Recovery: What Actually Works, and Where Supplements Fit

We are a physical therapy clinic that also happens to run a supplement dispensary. That combination puts us in an awkward and useful position, because the honest version of this article is not the one that sells the most product.

Here is the honest version. If you tore something, sprained something, broke something, or just had surgery, the variables that will decide your outcome are how much you sleep, whether you eat enough total food and enough protein, whether you stay hydrated, and whether you do your rehab program on the days you do not feel like it. Those four things are not a warm-up to the real advice. They are the real advice.

Supplements sit at the end of that list, and they belong there. They can close small gaps, they can make an adequate diet slightly better, and a couple of them have specific, well-studied roles when a limb is in a brace. None of them substitute for the four items above, and anyone who tells you otherwise is selling something.

With that said, the gaps are real, most people do have them, and quality varies enormously in a category with loose regulation. So we will cover both: the hierarchy first, then the short list of supplements that earn a place in it, graded honestly.

The Four Things That Actually Decide Your Recovery

1. Rest, and specifically sleep

Tissue repair, hormonal recovery, and pain modulation all run through sleep. It is also the variable most likely to fall apart after an injury, because pain interrupts it and because being sidelined wrecks the daily rhythm that normally makes people tired at a reasonable hour.

Practically: protect a consistent sleep window, treat 7 to 9 hours as the target rather than the aspiration, and tell your therapist if pain is waking you up. Pain that fragments sleep is a clinical problem with clinical solutions, not something to tough out for six weeks.

2. Eat enough, from food

The most common mistake we see in the clinic is a person who cuts calories because they are not training. It is an intuitive move and it is backwards. Healing tissue is metabolically expensive, and an energy deficit during that window impairs the repair you are trying to fund.

The mirror-image mistake also exists. Excess energy balance during a period of inactivity appears to accelerate muscle loss rather than protect it, most likely through systemic inflammation. So the target is not "eat more," it is "eat about what you need," which for most people means close to their usual intake rather than a deliberate cut.

3. Protein, at a number most people are not hitting

General daily protein guidance for a healthy adult sits between 0.8 and 1.2 g per kilogram of body weight. That is the floor for an uninjured person, and it is not the number you want in a brace.

Tipton's review of nutritional support for exercise-induced injuries, which is the standard reference for this exact scenario, recommends maintaining or increasing protein to roughly 2.0 to 2.5 g per kilogram of body weight daily during immobilization, and stresses that protein intake should not drop suddenly even if total energy intake falls.

Distribution matters too. Roughly 20 to 25 g, or 0.25 to 0.30 g per kg of body weight per meal, is the amount that maximizes the muscle protein synthesis response in active muscle. Immobilized muscle becomes partially resistant to that signal, which is one argument for landing on the higher end of the per-meal range rather than the lower.

4. Hydration, and doing the rehab plan

Hydration is boring and non-negotiable. Fluid balance affects tissue quality, joint lubrication, blood volume, thermoregulation, and how you feel walking into a rehab session, which affects how well the session goes.

Then there is the variable that outranks everything else on this page, and no supplement touches it: doing the program. Progressive, correctly dosed mechanical load is what tells healing tissue how to organize itself. Tendon and ligament remodel in response to load. Muscle rebuilds in response to load. Bone responds to load. The rehab plan is the intervention. Nutrition is what supplies the raw material for the intervention to use.

Which is why a fully stocked supplement cabinet and three skipped visits will lose to a plain diet and perfect attendance, every time.

Inflammation Is Not the Enemy, and This Is Where Most Supplement Advice Goes Wrong

Almost every injury recovery supplement list is built around suppressing inflammation. It is worth pausing on why that framing is incomplete.

The inflammatory response after an injury is how your body clears dead and damaged cells and initiates new tissue formation. It is a construction crew, not a fire. Tipton's review is explicit that dampening this response may be counterproductive, and that caution is warranted before intervening against inflammation unless it is genuinely excessive and prolonged.

Two lines of evidence make the point concrete.

On antioxidants, a randomized trial gave 1,000 mg of vitamin C plus 235 mg of vitamin E daily across 10 weeks of strength training. The high-dose group showed altered post-exercise cellular signalling associated with training adaptation. Muscle growth itself was not reduced in that trial, so this is a caution rather than an alarm, and the same group's endurance work found high-dose vitamin C and E hampered some cellular adaptations to training (Paulsen et al., Journal of Physiology, 2014).

On NSAIDs, the picture is more reassuring than internet consensus suggests. A 2024 systematic review and meta-analysis of 20 studies covering 523,240 patients found no significant difference in nonunion or delayed union between NSAID users and non-users once confounders were adjusted for (adjusted odds ratio 1.11, 95% CI 0.99 to 1.23). The authors were careful to note that most studies did not specify drug type, dose or duration, and that short-term use appears safer than long-term use.

Where Supplements Actually Earn a Place

Now the part you came for, with an evidence grade attached to each item so you can spend accordingly. Everything below assumes the four foundations are already handled. If they are not, close the browser tab and go to bed.

We stock Thorne and reference their products because they are what we know, they are third-party tested, and our clients get them at a real discount. The nutrient logic applies regardless of brand.

Protein and collagen

Protein supplies the amino acids that rebuild muscle, tendon, ligament and skin. If you can hit 2.0 to 2.5 g/kg from meat, fish, eggs, dairy, beans and legumes, do that. If you cannot, a whey isolate or plant protein is the least exotic and most useful supplement purchase you will make while injured.

Collagen is a more specific tool. In a study of eight healthy men, 15 g of vitamin C-enriched gelatin taken one hour before six minutes of rope skipping doubled blood levels of amino-terminal propeptide of collagen I, a marker of collagen synthesis, compared with placebo (Shaw et al., AJCN, 2017). Engineered ligament constructs in the same paper showed increased collagen content in the gelatin groups.

Two honest caveats. This is a small study in men measuring a blood marker, not a healing timeline in patients. And the timing is the whole point. The supplement was taken before loading, which means the effect depends on doing the exercise. A collagen scoop on the couch is a collagen scoop on the couch.

Omega-3 fatty acids

EPA and DHA help regulate the inflammatory response, and there is a specific reason to care about them while a limb is immobilized. In one trial, young women who took 5 g of omega-3 daily for four weeks before and during two weeks of single-leg immobilization lost less muscle volume than controls (McGlory et al., FASEB Journal, 2019).

That is one small study, and it is worth knowing that Tipton's 2015 review, written before it, concluded there were no human data at the time showing omega-3s limit muscle loss. The field moved. It has not finished moving.

On dosing and safety: the FDA considers supplements providing no more than 5 g/day of combined EPA and DHA safe when used as directed, and EFSA reached a similar conclusion for long-term intake up to about 5 g/day. If you take an anticoagulant, clear it with your physician first.

Creatine during immobilization

Creatine is not usually filed under injury recovery, and it should be. The best-known trial here immobilized one leg in a cast for two weeks and then ran a 10-week rehab program. Creatine did not do much during the casting itself. It facilitated the rehabilitation of disuse atrophy afterward, with faster recovery of muscle cross-sectional area and changes in myogenic factor expression (Hespel et al., Journal of Physiology, 2001). A later systematic review of human and animal work reached a similar conclusion, that creatine mitigates the effects of limb immobilization, while calling for more methodologically rigorous studies.

The effect is also not uniform across limbs. Tipton's review notes atrophy was reduced in immobilized arms but not legs. Treat creatine here as promising and cheap rather than settled, and note that its clearest value is in the comeback phase, which is exactly when you are back in the gym doing the work.

Dose is the same 3 to 5 g/day of creatine monohydrate you would take otherwise, and it is inexpensive.

Vitamin A, vitamin C and zinc

These three are the classic repair cofactors, and the honest framing is that correcting a shortfall helps while exceeding your needs does not. Vitamin C is required for collagen biosynthesis. Zinc supports protein synthesis, wound healing and cell division, and deficiency delays healing. Vitamin A supports immune function and tissue formation.

A basic multivitamin covering all three is the simplest way to close these gaps if your diet is inconsistent, which is common in the first weeks after an injury when cooking is harder than usual.

Curcumin and bromelain, honestly

Curcumin has real support, but for a narrower outcome than most articles imply. A 2024 systematic review of 11 studies in athletes found curcumin has meaningful potential to relieve muscle-related symptoms, particularly delayed-onset muscle soreness after eccentric exercise, with post-exercise timing appearing more effective. Reduced soreness is worth something. It is not the same claim as faster tissue healing. Bioavailability is the limiting factor, which is why phytosome and other enhanced-absorption forms exist.

Bromelain is the thinnest item on the list that we will still mention. The human literature is mostly small post-procedural trials on bruising and swelling, often bundled with arnica, of mixed methodological quality. If you want to try 150 to 500 mg for swelling after a minor injury, that is a defensible experiment. We are not going to pretend it sits alongside protein.

Why we skip arginine

You will see arginine recommended for injury recovery on the logic that it raises nitric oxide, nitric oxide promotes blood flow, and blood flow delivers nutrients to damaged tissue. Every step of that chain is real physiology. What is missing is the last step: a human trial showing that arginine supplementation actually speeds musculoskeletal injury healing.

We are a testing facility. We hand people force plate asymmetry numbers and DEXA scans with error bars on them. If we sold you a supplement on a mechanism with no outcome data behind it, you would have every reason to discount the next number we gave you. So we leave it off.

The Team Behind This

Everything above is what our clinicians apply, in a facility where rehab, testing and nutrition sit under one roof.

Buy It Tested, and Buy It at a Discount

The supplement industry is loosely regulated, and the gap between what a label claims and what is in the bottle is a real risk. It is a bigger risk if you or your kid is drug tested at the high school, college or professional level, where a contaminated product is your problem regardless of intent.

That is the reason we partner with Thorne. The NSF Certified for Sport line is batch tested against roughly 300 banned substances, which is the certification that actually protects a tested athlete.

Ordering through the APEX Thorne page attaches 25% off for life to your Thorne account, across the entire catalog. There is no code to paste, the discount applies to every order after the first, and you do not need to be an APEX patient, a training client, or an Oregon resident. Anyone in the United States can use it.

If You Are Hurt Right Now, Here Is the Order of Operations

1. Get evaluated and get a program. Physical therapy in Tigard, including runner-specific rehab, is where this starts.
2. Protect sleep. Tell your therapist if pain is waking you up.
3. Do not cut calories. Set a protein target and track it for two weeks so you know whether you are actually hitting it.
4. Hydrate, unglamorously, every day.
5. Do every session on the plan, including the boring ones and the ones on days you feel fine.
6. Then, and only then, add supplements to close the specific gaps you have identified. Nutrition coaching is how you find out what those gaps are instead of guessing.
7. Measure the comeback. Force plate testing and DEXA tell you whether the injured side has actually caught up, or whether it only feels that way.
8. Rebuild capacity so it does not happen again. Adult strength training in small groups is where most of our post-rehab clients land.

Local and Not Local

Our facility is at 11105 SW Greenburg Rd in Tigard, Oregon, just off Highway 217. Physical therapy, strength training, force plate testing, DEXA scanning and VO2 max testing happen here, for clients across Tigard, Beaverton, Lake Oswego, Tualatin, West Linn, Hillsboro and Southwest Portland.

Nutrition coaching is available remotely, so that piece is open to you wherever you live. So is the Thorne discount, which is available to anyone in the United States.

Frequently Asked Questions